（2019版）新人教版选择性必修第二册Unit 5Discover useful structures ppt课件 (2).pptx

1、Unit 51. To know more about the -ing form.2. To analyze the sentence structures and get the right answers.3. To make a conclusion about how to use the -ing form properly.What is the function of the -ing form in each sentence below? Can you express the same ideas without using the -ing form?1. As you

2、 can imagine, getting burnt can lead to very serious injuries.2. The first and most important step in the treatment of burns is giving first aid.subjectpredicativeAs you can imagine, if you get burnt, it can lead to very serious injuries.The first and most important step in the treatment of burns is

3、 to give first aid.3. It is best to place burns under cool running water, especially within the first ten minutes.4. Remove any clothes using scissors if necessary, unless you see the fabric sticking to the burnt skin.attributeadverbial; object complementIt is best to run some cool water and place b

4、urns under it, especially within the first ten minutes.Use scissors to remove any clothes if necessary, unless you find that the fabric is sticking to the burnt skin.5. You can protect the burnt area by covering it with a loose clean cloth.object after a prepositionTo protect the burnt area, you can

5、 cover it with a loose clean cloth.1. 动词动词-ing形式的构成形式的构成：是在动词末尾加：是在动词末尾加 -ing 形式构成，因此又叫动词的形式构成，因此又叫动词的 -ing 形式形式。 eg do-doing, be-being, ask-asking, etc. 否定否定形式：形式：not+ -ing 构成构成2. 动词动词-ing形式不能单独作谓语，没有人称和形式不能单独作谓语，没有人称和数的变化，但可以有自己的宾语和状语，还数的变化，但可以有自己的宾语和状语，还有时态和语态的变化有时态和语态的变化。动词动词-ing形式形式动词动词-ing形式在句

6、中可充当主语、宾语、表语、形式在句中可充当主语、宾语、表语、定语、宾语补足语和状语等成分。定语、宾语补足语和状语等成分。-ing form动名词动名词现在分词现在分词1. 语态语态上上：动词：动词 -ing形式表主动形式表主动eg Do you know the woman talking to Tom?2. 时态上时态上：动词：动词 -ing形式表动作正在进行形式表动作正在进行eg developing country boiling water动词动词 -ing 形式的特点：形式的特点：3. 动词动词ing 形式的构成形式的构成主动形式主动形式被动形式被动形式一般式一般式doingbein

7、g done完成式完成式having donehaving been done否定式否定式: not doing/not having been done1) 动词动词-ing形式作主语形式作主语 直接置于句首直接置于句首 eg 学习新单词对我来说非常重要。学习新单词对我来说非常重要。 Learning new words is very important for me. 说比做容易。说比做容易。 Talking is easier than doing.4. 动词动词-ing形式形式的功能的功能 用形式主语用形式主语it，把真正的主语，把真正的主语-ing形式移置句形式移置句尾。但这种句子

8、形式有一定的限制，作表语尾。但这种句子形式有一定的限制，作表语的只能是某些形容词或少数名词。的只能是某些形容词或少数名词。 eg 和夏洛克争辩是没有什么用的。和夏洛克争辩是没有什么用的。 It is useless trying to argue with Shylock. 这事值得去做。这事值得去做。 Its worth making the effort. 和你一起工作很愉快。和你一起工作很愉快。 It is pleasant working with you.归纳：常用归纳：常用-ing形式作主语的句型有：形式作主语的句型有：It +be +a waste of time doing 做

9、做是浪费时间的是浪费时间的It is/was no good/use doing 做做是没益是没益/用处的用处的It is/was worth/worthwhile doing 做做是值得的是值得的There is/was no point doing 干干无意义无意义2) 动词动词-ing形式作形式作宾语宾语常跟动词常跟动词-ing形式作宾语的动词：形式作宾语的动词：admit, dislike, appreciate, avoid, enjoy, bear, escape, stand, deny, consider, mind, miss, finish, resist, imagine

10、, risk, practice, suggest有些有些动词既可以跟动词动词既可以跟动词-ing形式，又可以跟形式，又可以跟不定不定式式做宾语，但意义有所区别。这类动词有：做宾语，但意义有所区别。这类动词有： remember, forget, regret, stop, try, mean。need, want, require既可以用动词既可以用动词-ing形式形式也可用也可用不定式作宾语，但用法不同。不定式作宾语，但用法不同。用法用法sb. need(s) / want(s) to do sth. sth. need(s)/ want(s)/ require(s)+ doing/ to

11、 be done（主动形式表被动意义）（主动形式表被动意义）无论无论是普通介词还是含介词的动词短语，是普通介词还是含介词的动词短语，一一般般情况下都要用动词情况下都要用动词-ing形式作宾语。形式作宾语。3) 动词动词-ing形式作定语形式作定语及物动词及物动词-ing形式形式作定语作定语被修饰的名词与被修饰的名词与非谓语动词为逻非谓语动词为逻辑上的主动关系，辑上的主动关系，动词动词-ing形式表示形式表示被修饰词的特征被修饰词的特征I have never seen a more moving movie. 不及物动不及物动词词-ing形形式作定语式作定语表示动作正在进表示动作正在进行行Th

12、e woman sending her children to school is my history teacher.4) 动词动词-ing形式形式作作表语表语 eg Our job is playing all kinds of music. The music they are playing sounds so exciting. 注：一般来讲注：一般来讲，动词动词-ing形式形式作作表语有两种表语有两种情况情况，一，一是名词性，这时主语和表语可是名词性，这时主语和表语可以互换以互换。 eg Playing all kinds of music is our job. 二二是形容词性

13、，表示主语的性质和特征，是形容词性，表示主语的性质和特征， 主主表不可互换表不可互换。常跟宾语补足语的谓语动词有常跟宾语补足语的谓语动词有 see, watch, hear, set, keep, find, have, get 等词。等词。eg I saw him walking in the street. 我我看见他在街上走。看见他在街上走。 I heard them singing in the classroom. 我我听见他们在教室里唱歌。听见他们在教室里唱歌。 We found the boy sleeping. 我们我们发现小孩睡着了。发现小孩睡着了。5) 动词动词-ing形式

14、作宾语补足语形式作宾语补足语6) 动词动词-ing形式形式作状语作状语 动词动词-ing形式作状语时，可以表示形式作状语时，可以表示时间、原时间、原因、结果、条件、让步、因、结果、条件、让步、方式方式、伴随情况、伴随情况等，等，其前可加连词其前可加连词while, when, once, if, unless等等。 eg Crossing the street, he was knocked down by a car. He fell off the bike, breaking his left leg. A group of children were sitting around th

15、e teacher, playing games.用用括号内动词的正确形式填空。括号内动词的正确形式填空。1. Listen! Do you hear someone _ (call) my name? 2. There are about 200 children _ (study) in this art school. 3. Lucys _ (turn) up at the meeting surprised everyone present. callingstudyingturning4. I still remember _ (take) to the Science Museum

16、 for the first time when I was a little girl. 5. Although _ (repeat) his words many times, the teacher still couldnt make the girl understand what he meant. 6. When I went back home I saw a message pinned to the door _ (say) “Sorry to have missed you. I will call later.” repeatingsayingbeing taken1.

17、 The next morning he hired a boat and set out to find the well-known painter. And when he saw the mists rising from the river and the soft clouds _ (surround) the mountain tops, he was reduced to tears. (2020年新课标全国卷年新课标全国卷III)surrounding2. As well as looking at exhibits, visitors can play with compu

18、ter simulations (模拟模拟) and imagine themselves living at a different time in history or _ (walk) through a rainforest. (2020年全国新高考年全国新高考I卷卷)3. Later, they learned to work with the seasons, planting at the right time and in dry areas, _ (make) use of annual floods to irrigate (灌溉灌溉) their fields. (202

19、0浙江卷浙江卷)walkingmakingReplace each underlined part with a suitable -ing form and rewrite the sentence as necessary. Work with a partner and summarise the different structures of the -ing form. When is each one used?1. When he got out of the bathtub, he slipped and fell on the floor.When getting out o

20、f the bathtub, he slipped and fell on the floor.vi. 滑到；滑到；滑落；溜走滑落；溜走n. 浴缸；浴盆浴缸；浴盆2. Is there any reason why we are not going to have the first-aid training this week? 3. She had been told about the risk of electric shocks and this made he very careful while using hairdryers. Is there any reason for

21、not having the first-aid training this week?Having been told about the risk of electric shocks, she was very careful while using hairdryers.4. Because the child was not watched carefully by his parents, he touched a hot iron and burnt his finger.5. After she had been bitten by mosquitoes, she applie

22、d some medicine to her skin.Not being watched carefully by his parents, the child touched a hot iron and burnt his finger.After being/having been bitten by mosquitoes, she applied some medicine to her skin.n. 蚊子蚊子主动语态主动语态被动语态被动语态肯定式肯定式否定式否定式肯定式肯定式否定式否定式一般式一般式 doingnot doing being donenot being done完

23、成式完成式 having donenot having been donehaving been donenot having been doneComplete the passage with the correct forms of the given words. What happened to Mrs Tayor?Mrs Taylor was an elderly woman _ (live) alone. One day, she was in her living room cleaning the windows, when suddenly she could no lon

24、ger feel the right side of her body. _ (try) to walk to her sofa to sit down, she fell over onto the carpet. Then she realised that she could not get up, and that she was having troule _ (breathe). livingTryingbreathingadj. 年纪较大的；年纪较大的；上了年纪的上了年纪的n. 地毯地毯Fortunately, she had her mobile phone with her,

25、 and she was able to reach it with her left hand while _ (lie) on the floor. Her mobile phone _ (already, set up) to call an emergency number at the push of a button, so it was easy to call for help. While attempting to talk to the operator, Mrs Tayor discovered that she could not speak. _ (not, hea

26、r) an answer, the operator knew that Mrs Tayor must be in trouble. Telling Mrs Tayor that everything would be OK, lyingwas already set upNot hearingn. 电话接线员；电话接线员；操作员操作员she immediately sent an ambulance. After _ (arrive), the ambulance team quickly found Mrs Tayor and without delay gave he oxygen, p

27、ut in an IV needle, and checked her vital signs. _ (take) to the hospital and treated immediately, Mrs Tayors health was in no great danger, though she had to stay in the hospital ward. After a week, her _ (frighten) experience was over, and she was allowed to go home.arrivingHaving been takenfright

28、eningn. 救护车救护车vi.& vt. 推迟；推迟；延期延期n. 针；注针；注射针射针n. 病房病房What happened to Mrs Tayor?She had a stroke when she was alone at home. She called for an ambulance and was saved in time.You have just read about Mrs Taylors experience. Do you think she is lucky? Why or why not? Do you know any old person living

29、 alone? What is his/her life like? Discuss the following questions.1. What should people do when facing a frightening experience like Mrs Tayors? When having a frightening experience like Mrs Taylors, people should try to get help, like she did.2. What are some risks that elderly people may encounte

30、r when living alone? When living alone, elderly people may fall or get injured, and not be able to help themselves or even call for help.3. What can we do to help prevent elderly people from taking unnecessary risks?To help prevent elderly people from taking unnecessary risks, we should make sure th

31、at their homes are easy to get around in, with handrails, ramps instead of stairs, and evenwalking surfaces.指出动词指出动词-ing形式在下列句子中所作的成分并形式在下列句子中所作的成分并翻译。翻译。1. They set up an operating table in a small temple. 2. Are you interested in buying second-hand books? 3. Going to bed early and getting up early is a good habit. 4. What he likes is playing chess after supper. 1. 定语定语 他们他们在一座小庙里架设起了手术台。在一座小庙里架设起了手术台。2. 宾语宾语 你你对买二手书有兴趣吗？对买二手书有兴趣吗？3. 主语主语 早早睡早起是一个好习惯。睡早起是一个好习惯。4. 表语表语 他他的爱好就是晚饭后下象棋。的爱好就是晚饭后下象棋。